IP Library Patent Application 09837710
Patent Application Utility
App. No. 09/837,710 · Confirmation No. 9140

WRITE HEAD WITH ALL METALLIC LAMINATED POLE PIECES WITH THICKNESS DIFFERENTIAL

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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Code Description Pages PDF
2003-07-23 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-07-23 C.AD Change of Address 1 View
2001-04-17 TRNA Transmittal of New Application 1 View
2001-04-17 SPEC Specification 8 View
2001-04-17 CLM Claims 7 View
2001-04-17 ABST Abstract 1 View
2001-04-17 DRW Drawings-only black and white line drawings 5 View
2001-04-17 OATH Oath or Declaration filed 2 View
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Quick Facts
App. No.
09/837,710
Filed
2001-04-17
Granted
2003-09-30
Pub. No.
US20020149886A1
Art Unit
2652
PTA
0 days